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Finding the Fourth Proportional to 16,013.60, 24,009.60 and 8,518.40

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Solution

The fourth proportional to 16,013.60, 24,009.60 and 8,518.40 is: 12,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,013.60 : 24,009.60 = 8,518.40 : x
  2. Step 2: Convert to fraction form
    16,013.60/24,009.60 = 8,518.40/x
  3. Step 3: Cross multiply
    16,013.60x = 24,009.60 × 8,518.40
  4. Step 4: Simplify right side
    16,013.60x = 204,523,376.64
  5. Step 5: Solve for x
    x = 204,523,376.64/16,013.60
  6. Step 6: Final answer
    x = 12,771.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.